On Sat, Oct 18, 2014 at 4:10 PM, Chris Angelico <ros...@gmail.com> wrote:
> On Sat, Oct 18, 2014 at 6:02 PM, Artur Bercik <vbubbl...@gmail.com> wrote: > > So, the Bit No. 2-5 for the following case is '1101', right? > > > > 1073741877: 1000000000000000000000000110101 > > > > If my required bit combination for Bit No. 2-5 is '1011', then the above > > number (1073741877) is not chosen, right?? > > > > Look forward to know your confirmation. > > (Side point: Please don't top-post. The convention on this mailing > list, and most other technical mailing lists, is what's sometimes > called "interleaved style"; you trim the quoted text to what's needed > for context, and put your text underneath what you're referring to. > See https://en.wikipedia.org/wiki/Posting_style#Interleaved_style for > more info.) > > >>> 1073741877&60 > 52 > >>> bin(52) > '0b110100' > > Everything I've written with the triple-angle-bracket marker can be > typed in at the Python prompt, and you'll see exactly what it does. In > this case, you can see that you're absolutely right: 1073741877 has > 1101 in those positions, so if you're looking for 1011, it won't > match: > > >>> 0b101100 > 44 > > However, 1073741869 would: > > >>> 1073741869&60 > 44 > > The way to test would be something like this: > > >>> (1073741877 & 0b111100) == 0b101100 > False > >>> (1073741869 & 0b111100) == 0b101100 > True > Thank you very much Chris Angelico, I have come to know it. > > ChrisA > -- > https://mail.python.org/mailman/listinfo/python-list >
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